SQL DECLARE@STRNVARCHAR(100), @LEN1INT, @LEN2INT;SET@STR= N'This is a sentence with spaces in it.';SET@LEN1 =LEN(@STR);SET@STR=REPLACE(@STR, N' ', N'');SET@LEN2 =LEN(@STR);SELECTN'Number of spaces in the string: '+CONVERT(NVARCHAR(20), @LEN1 - @LEN2); GO ...
In the example above, there is absolutely nothing wrong with nesting REPLACE(). I’ve likely used up to 8 or 10 REPLACE() functions when the situation called for it. However, I’ll admit it does make your T-SQL hard to read the deeper you go. This pattern reminds me of a nested C...
SQL 複製 DECLARE @STR NVARCHAR(100), @LEN1 INT, @LEN2 INT; SET @STR = N'This is a sentence with spaces in it.'; SET @LEN1 = LEN(@STR); SET @STR = REPLACE(@STR, N' ', N''); SET @LEN2 = LEN(@STR); SELECT N'Number of spaces in the string: ' + CONVERT(NVARCHAR...
SQL DECLARE@STRNVARCHAR(100), @LEN1INT, @LEN2INT;SET@STR= N'This is a sentence with spaces in it.';SET@LEN1 =LEN(@STR);SET@STR=REPLACE(@STR, N' ', N'');SET@LEN2 =LEN(@STR);SELECTN'Number of spaces in the string: '+CONVERT(NVARCHAR(20), @LEN1 - @LEN2); GO ...
SQL DECLARE@STRNVARCHAR(100), @LEN1INT, @LEN2INT;SET@STR= N'This is a sentence with spaces in it.';SET@LEN1 =LEN(@STR);SET@STR=REPLACE(@STR, N' ', N'');SET@LEN2 =LEN(@STR);SELECTN'Number of spaces in the string: '+CONVERT(NVARCHAR(20), @LEN1 - @LEN2); GO ...
SQL DECLARE@STRNVARCHAR(100), @LEN1INT, @LEN2INT;SET@STR= N'This is a sentence with spaces in it.';SET@LEN1 =LEN(@STR);SET@STR=REPLACE(@STR, N' ', N'');SET@LEN2 =LEN(@STR);SELECTN'Number of spaces in the string: '+CONVERT(NVARCHAR(20), @LEN1 - @LEN2); GO ...
Transact-SQL reference for the REPLACE function, which replaces all occurrences of a specified string value with another string value.
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MySQL中的REPLACE()函数用于替换字符串中的某个子串。它接受三个参数:原始字符串、需要被替换的子串和替换后的新子串。如果原始字符串中包含需要被替换的子串,则该子串会被新子串替换,否则保持不变。 相关优势 简单易用:REPLACE()函数语法简单,易于理解和使用。
SQL Kopéieren SELECT REPLACE('This is a Test' COLLATE Latin1_General_BIN, 'Test', 'desk' ); GO Here is the result set.Kopéieren --- This is a desk (1 row(s) affected) The following example calculates the number of spaces in a sentence using the REPLACE function. First, it c...